var tree_loader = new Ext.tree.TreeLoader({
			dataUrl : model.treeModelUrl,
			requestMethod : "post",// get方式没有能够把数据送到
			listeners : {
				scope : this,
				beforeload : function(loader, node, callback) {
					if (loader.baseParams) {
						if (loader.baseParams) {
							loader.baseParams.classid = node.attributes.classid;
						} else {
							loader.baseParams = {
								classid : node.attributes.classid
							};
						}
					}
				},
				load : function(loader, node, response) {
					if (loader.baseParams)
						loader.baseParams.query = "";
				},
				loadexception : function(loader, node, response) {
					if (loader.baseParams)
						loader.baseParams.query = "";
					Ext.Msg.alert("错误", (function() {
								var ret = response.data;
								if (null == ret)
									ret = '没有得到任何树的数据！';
								return ret;
							})());
				}
			}
		});
var MyChannalTree_ = new Ext.tree.TreePanel({
			id : "cmp_MyChannalTree",
			// el : 'container',
			useArrows : true,
			autoScroll : true,
			collapse : true,
			animate : true,
			enableDD : true,
			ddGroup : 'DDGroup',
			containerScroll : true,
			rootVisible : false,
			root : new Ext.tree.AsyncTreeNode({
						text : "频道目录",
						id : '/',
						classid : '',
						expandable : true,
						expanded : true,
						lines : true,
						allowDrag : false,
						allowDrop : false,
						loader : tree_loader
					})
		})